<div id="app">
  <b-button-toolbar ref="toolbar" key-nav aria-label="Toolbar with button groups">
    <b-button-group class="mx-1">
      <b-btn>&laquo;</b-btn>
      <b-btn>&lsaquo;</b-btn>
    </b-button-group>
    <b-button-group class="mx-1">
      <b-btn>Edit</b-btn>
      <b-btn>Undo</b-btn>
      <b-btn>Redo</b-btn>
    </b-button-group>
    <b-button-group class="mx-1">
      <b-btn>&rsaquo;</b-btn>
      <b-btn>&raquo;</b-btn>
    </b-button-group>
  </b-button-toolbar>
</div>
